import router from './router'
import store from './store'
// import { Message } from 'element-ui'
// import NProgress from 'nprogress' // progress bar
// import 'nprogress/nprogress.css' // progress bar style
// import { getToken } from '@/utils/auth' // get token from cookie
// import getPageTitle from '@/utils/get-page-title'

// NProgress.configure({ showSpinner: false }) // NProgress Configuration
// 白名单
const whiteList = ['/login', '/404'] 
router.beforeEach((to, form, next) => {
	  // 取出token(vuex)
		const token = store.state.user.token
		console.log('全局前置路由守卫', token)
		if (token) {
			// 去登录页
			if (to.path === '/login') {
				console.log('你已经登录了，就不能去login，转到主页')
				next('/')
			} else {
				next()
			}
		} else {
			// 没有登录，只能去白名单(那些不需要token就可以访问的页面)
			if (whiteList.includes(to.path)) {
				next()
			} else {
				console.log('没有token，只能访问白名单')
				next('/login')
				NProgress.done()
			}
			// next() // 重点强调next一定要调用
		}
})

// router.beforeEach(async(to, from, next) => {
//   // start progress bar
//   NProgress.start()

//   // set page title
//   document.title = getPageTitle(to.meta.title)

//   // determine whether the user has logged in
//   const hasToken = getToken()

//   if (hasToken) {
//     if (to.path === '/login') {
//       // if is logged in, redirect to the home page
//       next({ path: '/' })
//       NProgress.done()
//     } else {
//       const hasGetUserInfo = store.getters.name
//       if (hasGetUserInfo) {
//         next()
//       } else {
//         try {
//           // get user info
//           await store.dispatch('user/getInfo')

//           next()
//         } catch (error) {
//           // remove token and go to login page to re-login
//           await store.dispatch('user/resetToken')
//           Message.error(error || 'Has Error')
//           next(`/login?redirect=${to.path}`)
//           NProgress.done()
//         }
//       }
//     }
//   } else {
//     /* has no token*/

//     if (whiteList.indexOf(to.path) !== -1) {
//       // in the free login whitelist, go directly
//       next()
//     } else {
//       // other pages that do not have permission to access are redirected to the login page.
//       next(`/login?redirect=${to.path}`)
//       NProgress.done()
//     }
//   }
// })

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
